body {
    margin: 0 auto;
}

.indexbox {
    width: 600px;
    height: 400px;
    margin: 150px auto;
    border: 1px solid #cccccc;
}

.logo {
    height: 120px;
    width: 50%;
    margin: auto;
}

img {
    width: 100%;
    height: 100%;
}

.searchform {
    width: 80%;
    height: 200px;
    margin: 0 auto;
    padding-top: 40px;
    box-sizing: border-box;
}

.searchform input[type=text] {
    width: 75%;
    height: 25px;
    outline: none;
    margin: 0;
    clear: left;
}

.searchform input[type=submit] {
    width: 15%;
    height: 31px;
    vertical-align: middle;
    border: 0;
    background-color: #2367ff;
    color: #ffffff;
    font-size: 16px;
    line-height: 31px;
    border: 0px;
    padding: 0;
    margin: 0;
}

.info {
    height: 80px;
    box-sizing: border-box;
}

.info p {
    padding: 0;
    margin: 0;
    text-align: center;
    color: #999999;
    font-size: 12px;
}

.searchfile {
    width: 80%;
    float: left;
}

.updateindex {
    width: 20%;
    float: right;
}

.searchform .updateindex input[type=submit] {
    width: 80%;
}